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Like all orchids, Dendrobium is not very good at replanting. Therefore, it is worth carefully preparing for the procedure in order to make the process less painful and faster.
After reading the article, you will learn what mistakes should be avoided and what measures should be taken so that the transplanted flower quickly adapts to new conditions and begins to actively grow, gaining strength for rapid flowering.
When should a plant be replanted?
It is possible to determine that a flower needs a transplant by several signs.:
- multiple roots push the soil out of the pot;
- in the aerial part of the plant and on the rhizomes, signs of decay or damage by pests are visible;
- the soil has lost its nutritional properties and signs of its decomposition are visible (pieces of bark crumble, and after watering the soil does not dry out);
- a large number of babies with buds and sprouts, ready to be separated.
When can it be harmful?
The transplant is stressful for the orchid, therefore it is carried out at home only after the end of flowering., during the period of active growth of the flower (everything about the flowering of the dendrobium nobile orchid is described here). It is usually spring. Do not disturb the Dendrobium during the rest period. The transplant is carried out no more than once every 2-3 years.
Replacing the soil should be combined with reproduction, so as not to disturb the plant once again.
Which pot to choose?
Clay pots are great for dendrobiumproviding the necessary stability to the flower. Plastic containers and special orchid baskets are also suitable.
The size of the pot should accommodate the root system of the plant and there should be no more than 1-2 cm of free space around the edges. If you choose a small pot, the roots will not have enough space, they will begin to crawl out of the container and can be injured.
Correct selection of soil
It is important to transplant the orchid into coarse-grained soil of the appropriate composition.
You can buy a ready-made composition in a store or prepare a soil mixture containing:
- crushed moss with expanded clay;
- bark of coniferous trees;
Step-by-step instructions: how to plant an adult plant and children?
Before you start planting children and an adult plant, prepare in advance everything that may come in handy in the process:
- scissors or knife;
- new pot;
- warm water in a basin;
- orchid substrate.
Removing from the pot
To painlessly get an orchid out of an old pot, you must:
- Wrinkle it with your hands or fill the pot with water up to the top for 10-30 minutes, if the previous steps did not help.
- Then the Dendrobium is picked up under the leaves and taken out. The action should happen effortlessly.
reference... A healthy plant is firmly rooted to each other and to the pot. A weak plant is removed immediately and without effort, due to a weak root system.
Root rinsing and disposal of excess substrate
- The rinsing step is best done by immersing the orchid in a bowl of warm water. When the roots and soil are wet, it will be easier to separate them by stirring the root plexus with your fingers. Dirty water must be drained.
- You can use a shower jet with a slight pressure of water.
Strongly ingrown particles of the old substrate should not be forcibly separated from the plant, so as not to damage it.
Examination and removal of diseased processes
Then you should inspect the roots for the presence of:
- dead areas.
Healthy roots are always firm and dense. Patients are dryish or hollow, sometimes with a liquid fetid content inside.
Before transplanting, all instruments must be disinfected with alcohol or held over a fire.to avoid infecting the plant. If this is not done, an infection can occur and the plant will begin to ache.
After removing the damaged parts of the roots, fresh cuts are treated with activated charcoal, garlic solution or cinnamon powder for disinfection.
Don't ignore the drying step... This helps to heal the wounds resulting from root pruning. In room conditions, it is enough to allocate only 2 hours for this.
Planting a flower and children in new containers
Please note that after pruning the root system, it may turn out that for planting you will need a pot of the same size or even smaller if there are many damaged roots.
Important! It is advisable to disinfect the new substrate by boiling before use. Then let it dry naturally without using a stove or battery, so as not to lose its necessary qualities. The pot is also washed with hot water and detergent followed by rinsing.
- A small drainage layer of expanded clay is laid out at the bottom of the pot.
- Then some mixture.
- The plant is placed in the center and the empty space around it is filled with the rest of the mixture.
- When sprinkling with substrate, you need to make sure that the roots do not move to one place if the old soil has been removed completely.
- The soil is slightly crushed.
Further on the photo you can see the transplanted flower and children.
Reproduction by dividing the bush
If you are replanting an orchid to divide it, then keep in mind that on each planted part there should be three mature healthy pseudobulbs and young shoots at least 3 cm long. The mother bush is divided with a sharp knife, the cuts are sprinkled with charcoal.
- The cuttings are pre-treated with coal.
- Then, 2 cuttings are placed in a plastic bag with moistened sphagnum moss.
- The resulting greenhouse is ventilated every day, mossing the moss if necessary.
- Fresh roots should appear in 2 weeks. Then it's time to plant the cuttings in pots.
reference... Moving a flower into a larger pot with still suitable land should be carried out by the transshipment method. In this case, the earthen lump is soaked and not completely removed; in a more spacious pot, the voids are filled with fresh soil. The substrate remaining on the roots makes the transplant easier for the orchid.
You can't water the plant right away... It is necessary that the cut roots dry well. If, before planting in the ground, the roots of the plant were dried in the open air for up to 2 hours, then watering should be carried out no earlier than 2-3 days after transplantation.
In case of extreme heat, it is worth watering the orchid in a day. If the roots were dried in the air for 8-10 hours, then the transplanted flower should be watered immediately after placing it in the substrate. This will allow the roots to take root faster.
What should not be done during the procedure?
Some actions of inexperienced flower growers can greatly harm the plant:
- Strong deepening of the orchid when planting. It is necessary that after transplantation, all pseudobulbs and kidneys remain on the surface.
- It is necessary to evenly distribute the roots in the pot, otherwise the plant may never recover from a difficult transplant.
- You cannot cut off pseudobulbs and peduncles, you must wait for natural withering away.
- It is not worth using untreated pots and soil from infected plants.
- It is important not to overlook the presence of diseases and pests during transplantation. A plant that has received stress during transplantation and weakened by infections can adapt to new conditions for a very long time.
- Dendrobium roots are fragile and brittle, be sure to soak the soil before removing the plant from the pot. It is also better to get rid of the old substrate in water, so as not to harm the roots. Otherwise, recovery can take a long time.
- Stagnation of water in a pot or in a pan contributes to the death of the flower.
Remember that in nature, orchids grow by attaching themselves to tree trunks or steep surfaces of stony soils, where there is no excess moisture.
- Do not overuse dressings and add them in excess of the norm.
- Treating the pot and substrate before planting will help prevent infection of the plant weakened by the transplant.
- After transplanting, the orchid should be protected from direct sunlight to avoid burns. For the period of adaptation from stress, shaded areas with south-facing windows or north and east windows are suitable.
- It is advisable to place the flower in a place with high air humidity.
- After transplantation, the introduction of dressings should be systematized. It is worth adding them for every second watering with a concentration of 25% of the recommended rate for orchids. The last feeding is carried out towards the end of August.
- Once a month, you can please Dendrobium with a warm shower (avoid during dormancy and flowering). After the procedure, the leaves are dried with a napkin.
Dendrobium orchid is loved by both experienced flower growers and beginners. It requires special attention and knowledge at certain stages of life. If you do everything right at such moments, she will certainly thank you with delicate flowers that delight their owners for a long time with their fragrance and pleasant aroma.
Read more about caring for dendrobium at home in this article.
Step-by-step instructions for transplanting a plant: